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Just wanting to make sure this is marrow thank you. It’s anch long found in Nevada

I have found, what I believe to be a fossilised vertebra, and would like any advice on what species it could be and how old it may be. The item was found along a riverbank. It has a surprising weight for it's size - I can record the exact weight with electronic scales within the next 24 hours. The object appears to be of white bone with a red/iron marrow present through the centre. There are crystals in the recesses which sparkle when the light hits it and when it is wet. The top and bottom of the item are very smooth. The specimen has been washed with warm water and a toothbrush. It ts extremely tactile, a pleasure to hold! I didn't want to put it down until I decided to keep it in a resealable plastic bag. I have some pictures which I will enclose (the sun was setting and so there are long shadows cast - magnify the images for better clarity) - I am a novice photographer! I also have a short video which could be sent via WhatsApp. I have contacted my local museum and left a voice message - the museum closed for refurbishment for 2 years about a week ago!

This was found, with other bone fragments and a partial shark's (?) tooth in the ditch by a roadcut on North River Rd., just East of the little town or Artic WA. It's 10cm long. I hope the photos show the knobby, crooked form, it's shaped like a crooked finger, could it be a broken and healed rib bone? Please see arrow ---> on "top" pic.. I'm interested in what you all think! Thanks.

Sorry for the loooong post. I am a science and natural history illustrator, and I work part time at a fossil shop. We have various, easily identifiable specimens that come through our shop every day. But I've recently stumbled across a specimen from the depths of our collection that has puzzled me. Unfortunately, I do not know its origins so identifying it as belonging to a particular species is probably all but impossible (?). I've taken as many detailed photographs of it from every angle as I can, in hopes that a more knowledgeable mind might be able/willing to shed some light on it. Firstly, I'd like to just confirm that it is indeed fossilized bone & not a rock. Secondly, I would love some insights as to some of the particular features. There are some exposed, whitish areas inside the specimen. I'm wondering, assuming this is a bone, if this might be fossilized marrow? When dampened with a sponge, the white areas reveal red and blue micro markings. The largest of the exposed white areas has a distinct gash alongside it (which I've circled in red). I'm wondering if anyone thinks that this might be a tooth mark of some sort? There are also some distinct red markings on the exterior surfaces. I've seen examples where fossilized protein such as blood or soft tissue can manifest themselves as reddish marks. I'm not sure if that is what is being exhibited here (?). Lastly, and as I mentioned - this is probably a longshot, is there anything discernible or recognizable about the specimen to anyone? Obviously, knowing its geographical origins & knowing more about the rock in from which it was excavated would go along way. Unfortunately, I simply don't have this information. I appreciate anything that anyone might be willing to offer. Thank you in advance!

This was found behind my house in the woods in western TN, just outside Memphis. It looks to me to be the shape of a joint of some kind, and the underside has clear structures that look like marrow.

I’m a newbie seeking to ID a fossilized bone found on the bank of the Meramec River in Crawford County, Mo. Thanks for your help.

My son dug up this bone in our backyard and is curious to know more about it! Any ideas?

My dad found this fossil on the beach on Gary Island, NWT. He's been told it could be a mammoth leg bone, and it doesn't appear to be older than 10,000 to 30,000 years old. Can anyone identify it? It's about 2 feet long, and 73 lbs.

This item here my mother bough years ago in arizona. large and heavy. looks like a bone. looks as if marrow has turned to crystal. any help with this would be appreciated thank you